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I was sent a "sungold" replacement, looks to be a direct Chinese copy and yes that fixed the problem. Was a pain as you can read to get the parameters set. After that it's ran and backfed surplus to grid as it should. Good luck!

Yep parameter 21 seems to be the tricky one, Ian had me change mine as well.

80 volts is below the LVX6048 minimum PV input voltage, also there is a fuse under the panel for PV input, you might check that.

The LVX 6048 I have will not show the available PV wattage only what it is actually using. Once I put it into Grid feedback I get a good idea what the panels are doing in semi real time. Your battery charging parameters are needed to understand what you have going on.

Update for anyone following, Ian sent me a "sungold"? replacement, so a China made copy to determine if the fault I was getting was truly an inverter issue. Not a fan of jumping through hoops but also want to get this working, so I progressed. After the install some parameters did not want to...

Got the replacement from Watts 24/7 (thanks) once installed I will update the tread here.

I repeat another's question, what alternatives are you moving to? One thing to identify a problem, way better to offer a solution.

Man, if my usage was that low my system would make me money! I avg 1200 kwh on my bill.

I have a critical load panel and back feed the surplus to the house/grid. I run the minisplit and when needed a lathe and Mill. The mill main quill will not start without battery as the surge is too high. Basically the system will run my shop and in an emergency I could wire it up to feed the...

You might consider switching your AC to a mini split, they have one now that runs on direct solar panel input! I have a LVX6048 and 120 ampHR of 48 vlt battery and it runs my 28,000 btu mini split day and night in AC mode no issues without Grid hook up at all. I doubt it would run it in heat all...

Did you get this resolved?

can you provide some more details? When does it fault and what hardware do you have installed?

So far MPP has had me update the firmware, which did not help the issue, I have been sent another firmware update and will try this evening. Interesting I have this issue and no one else with Grid feedback and battery is reporting anything similar. New Firmware loaded and the inverter still...

good question, I assume there isn't one

I am way under the PV voltage max of 450. Not trying to be snarky but did you actually read my post? It clearly stated the issue occurs after the sun goes down so no PV voltage. As for code #8 error on page 26 in the chart is states Bus Voltage too high on page 28 troubleshooting guide it shows...

I actually do not have the same unit once i looked again, I have the LVX 6048

I just posted a new thread on my setup and issue. I get #8 (bus overvoltage in one place, internal component failure in another spot in the manual) I am not using a generator I have issue when I connect to grid, and sometimes when not.

Similar to some other's issues but unique enough and no clear answer so far for me. I have had this inverter in off grid mode (utility feed shut off completely) running without issue for a few weeks. I had two faults (#8) when utility was hooked up initially with grid feedback disabled. Watts...

old thread but similar issue I am having, did you get this resolved?